5128611 has 16 divisors (see below), whose sum is σ = 7288704. Its totient is φ = 3196544.

The previous prime is 5128603. The next prime is 5128633. The reversal of 5128611 is 1168215.

It is not a de Polignac number, because 5128611 - 2³ = 5128603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5128661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11356 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (455544).

Almost surely, 2^5128611 is an apocalyptic number.

5128611 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5128611 is a deficient number, since it is larger than the sum of its proper divisors (2160093).

5128611 is a wasteful number, since it uses less digits than its factorization.

5128611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 480, while the sum is 24.

The square root of 5128611 is about 2264.6436805820. The cubic root of 5128611 is about 172.4513452361.

The spelling of 5128611 in words is "five million, one hundred twenty-eight thousand, six hundred eleven".